CN217374672U

CN217374672U - Anti-collision structure

Info

Publication number: CN217374672U
Application number: CN202221549868.3U
Authority: CN
Inventors: 陈力; 朱锡庆; 卢若振; 祝桂荣
Original assignee: Hozon New Energy Automobile Co Ltd
Current assignee: Hozon New Energy Automobile Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-09-06
Anticipated expiration: 2032-06-20

Abstract

The utility model relates to an anticollision structure. The anti-collision structure comprises an auxiliary frame which is of a hollow structure and is fixed on a body of the electric automobile; the shape of the front cabin lower protective plate is matched with that of the auxiliary frame, one side of the front cabin lower protective plate is fixedly connected with one side of the auxiliary frame, and the other side of the front cabin lower protective plate is fixedly connected with the bottom of the power battery; and the top of the bracket is fixedly connected with the auxiliary frame, and the bottom of the bracket is fixedly connected with the lower protective plate of the front cabin. The utility model provides an anticollision structure for the power battery of protection electric automobile is in order to avoid colliding with, and overall structure is firm.

Description

Anti-collision structure

Technical Field

The utility model relates to an automobile structure designs and makes technical field, especially relates to an anticollision structure suitable for electric automobile.

Background

Because the power battery is arranged at the lower part of the vehicle body, the ground clearance of the electric vehicle is smaller than that of a fuel vehicle, and the battery is easy to collide when the electric vehicle passes in front of a hollow or a large obstacle, so that the power battery is deformed, and potential safety hazards exist.

For solving the problem that power battery collided with, some cars have increased the crossbeam in the power battery front portion, and this crossbeam is installed on the automobile body or on sub vehicle frame, and the position is about 10mm lower than power battery lower floor, and the purpose lets the crossbeam contact with the barrier earlier, absorbs the deformation that the collision produced, also can remind the driver urgent speed of a motor vehicle because of the sound of collision simultaneously to avoid power battery to receive great impact force. This solution has a very good effect on protecting the power cells, but also presents two problems:

(1) the added cross beam has strong structure and large size, so that the cost is increased;

(2) the crossbeam is less than power battery bottom surface, and the lower protective plate can not smooth extend to with the butt joint of power battery to increase whole car windage.

For a car or a sedan running car, the wind resistance requirement is higher, but the ground clearance of the whole car is lower, so that the problem of battery protection is difficult to solve.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem of prior art, the utility model provides an anticollision structure protects power battery in order to avoid colliding with, and overall structure is firm.

Specifically, the utility model provides an anticollision structure is applicable to electric automobile, electric automobile includes power battery, anticollision structure includes:

the auxiliary frame is of a hollow structure and is fixed on the body of the electric automobile;

the shape of the front cabin lower protective plate is matched with that of the auxiliary frame, one side of the front cabin lower protective plate is fixedly connected with one side of the auxiliary frame, and the other side of the front cabin lower protective plate is fixedly connected with the bottom of the power battery;

and the top of the support is fixedly connected with the auxiliary frame, and the bottom of the support is fixedly connected with the front cabin lower guard plate.

According to the utility model discloses an embodiment, anticollision structure still includes first screw first mounting hole has been seted up to one side of front deck apron down, first screw stretches into first mounting hole, front deck apron down passes through first screw fixation arrives on the sub vehicle frame.

According to the utility model discloses an embodiment, crashproof structure still includes the second screw the second mounting hole has been seted up to the opposite side of front deck lower fender, the second screw stretches into the second mounting hole, the front deck lower fender passes through the second fix with screw arrives power battery's bottom.

According to the utility model discloses an embodiment, anticollision structure still includes the third screw the third mounting hole has been seted up on the apron under the front deck, the third screw stretches into the third mounting hole, the apron under the front deck passes through the third screw is fixed to the bottom of support.

According to the utility model discloses an embodiment, the support is the font of falling V two third mounting holes have been seted up on the apron under the front deck, the bottom of support and two third mounting holes cooperate from top to bottom, two the third screw stretches into respectively the third mounting hole, the apron under the front deck passes through the third fix with screw arrives the bottom of support.

According to the utility model discloses an embodiment, the top of support with sub vehicle frame welded fastening.

According to an embodiment of the present invention, the third mounting hole is arranged between the first mounting hole and the second mounting hole.

According to the utility model discloses an embodiment, the position of third mounting hole is protruding downwards.

According to the utility model discloses an embodiment, the position of third mounting hole with the distance of power battery's lower surface is 5 ~ 20 mm.

The utility model provides a pair of anticollision structure through sub vehicle frame, front deck backplate and support combination down, can protect power battery in order to avoid colliding with, and overall structure is firm.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Drawings

The accompanying drawings, which are included to provide a further explanation of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 shows a usage state diagram of a collision avoidance structure according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the subframe of fig. 1.

Fig. 3 is a schematic structural view of the stent of fig. 1.

Fig. 4 is a schematic view of the structure of the under cowl in fig. 1.

Fig. 5 shows a schematic structural diagram of the front under-deck fender and the bracket of an embodiment of the present invention.

Fig. 6 is a partial cross-sectional view of fig. 5.

Wherein the figures include the following reference numerals:

crash structure 100

Subframe 101

Lower front cabin guard plate 102

Support 103

Power battery 104

First screw 105

First mounting hole 106

Second screw 107

Second mounting hole 108

Third screw 109

Third mounting hole 110

Fastening nut 111

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood, not simply by the actual terms used but by the meaning of each term lying within.

Fig. 1 shows a usage state diagram of a collision avoidance structure according to an embodiment of the present invention. Fig. 2 is a schematic structural view of the subframe of fig. 1. Fig. 3 is a schematic structural view of the stent of fig. 1. Fig. 4 is a schematic view of the structure of the under cowl in fig. 1. Fig. 5 shows a schematic structural diagram of the front under-deck fender and the bracket of an embodiment of the present invention. As shown in fig. 1, a crash structure 100 suitable for use in an electric vehicle. The electric vehicle includes a power battery 104. The crash structure 100 mainly includes a sub-frame 101, a front under-deck fender 102, and a bracket 103.

The subframe 101 is a hollow structure and is fixed to a body of the electric vehicle.

The shape of the under cowl 102 matches the shape of the sub-frame 101. One side of the front under cover 102 is fixedly connected to one side of the sub frame 101. The other side of the front cabin lower protective plate 102 is fixedly connected with the bottom of the power battery 104.

The bracket 103 is used to connect the sub-frame 101 and the under-cowl 102. The top of the bracket 103 is fixedly connected with the auxiliary frame 101, and the bottom of the bracket 103 is fixedly connected with the front cabin lower guard plate 102.

As will be readily appreciated, the under cowl 102 is directly fixed to the sub-frame 101 and the power battery 104, respectively. Backplate 102 is still fixed through support 103 and sub vehicle frame 101 under the front deck for crashproof structure 100 is whole firm, provides the effective protection to power battery 104, avoids setting up power battery 104 in the electric automobile bottom to collide with ground.

Preferably, referring to fig. 4, the crash structure 100 further includes a first screw 105. A first mounting hole 106 is formed in one side of the front under-hatch 102, a first screw 105 extends into the first mounting hole 106, and the front under-hatch 102 is fixed to the sub-frame 101 by the first screw 105. One side of the under cowl 102 means that the front side of the under cowl 102 is fixed to the sub frame 101 with reference to the direction in which the head of the electric vehicle travels. By way of example and not limitation, the number of the first mounting holes 106 may be plural to facilitate fixing the under cowl panel 102 and the sub frame 101.

Preferably, the crash structure 100 further comprises a second screw 107. A second mounting hole 108 is formed on the other side of the front cabin lower guard plate 102, which corresponds to the rear side of the front cabin lower guard plate 102. The second screw 107 extends into the second mounting hole 108, and the front under-hatch 102 is fixed to the bottom of the power battery 104 by the second screw 107. By way of example and not limitation, the number of the second mounting holes 108 may be multiple to facilitate fixing the under-cowl 102 and the power battery 104.

Preferably, the crash structure 100 further includes a third screw 109, and a third mounting hole 110 is formed on the front under-deck guard plate 102. A third screw 109 is inserted into the third mounting hole 110, and the under cowl 102 is fixed to the bottom of the bracket 103 by the third screw 109.

Preferably, the crash structure 100 further includes a spacer (not shown) cooperating with the first screw 105, the second screw 107 and the third screw 109 to improve the fixing effect.

Referring to fig. 3, 4 and 5, preferably, the support 103 is in the shape of an inverted V. Two third mounting holes 110 are formed in the front cabin lower guard plate 102. The two bottoms of the inverted-V-shaped bracket 103 are respectively matched with the two third mounting holes 110 up and down. Two third screws 109 are respectively inserted into the third mounting holes 110, and the front under-deck guard plate 102 is fixed to the bottom of the bracket 103 by the third screws 109. Specifically, when a large obstacle collides with the bottom of the front cabin protection plate, particularly the collision position is between the two third mounting holes 110, the front cabin lower protection plate 102 is locked in the inverted V-shaped space of the bracket 103 after being extruded and deformed by the obstacle, and further plays a role in protecting the power battery 104 from being collided.

Preferably, referring to fig. 3, fixing nuts 111 are welded to two bottoms of the inverted V-shaped bracket 103, respectively, and the fixing nuts 111 are used for being fixed in threaded fit with the third screws 109, so as to improve structural stability.

Preferably, the top of the inverted V-shaped bracket 103 is welded to the subframe 101, so as to improve the overall structural strength.

Preferably, the third mounting hole 110 is disposed between the first mounting hole 106 and the second mounting hole 108.

Fig. 6 is a partial cross-sectional view of fig. 5. As shown, the position of the third mounting hole 110 is preferably convex downward. More preferably, the distance between the position of the third mounting hole 110 and the lower surface of the power battery 104 is 5-20 mm, and preferably 8 mm. Specifically, the entire bottom surface of the under cowl 102 is flat. A small area of downward convex is formed at the position of the third mounting hole 110 and is lower than the bottom surface of the power battery 104, so that the wind resistance of the whole vehicle can be reduced, and the gap between the power battery 104 and the wind resistance can be kept. The sub-frame 101 supports the front cabin lower guard plate 102 through the support 103, and when encountering an obstacle, the front cabin lower guard plate 102 contacts and collides with the obstacle first, so that the obstacle is prevented from directly contacting and colliding before the power battery 104.

The utility model provides a pair of anticollision structure has following advantage:

(1) the whole structure is compact;

(2) the third mounting hole is sunk, so that the wind resistance of the whole vehicle is reduced;

(3) avoiding collision of the power battery.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. The utility model provides a crashproof structure, is applicable to electric automobile, electric automobile includes power battery, its characterized in that, crashproof structure includes:

and the top of the support is fixedly connected with the auxiliary frame, and the bottom of the support is fixedly connected with the front cabin lower protective plate.

2. The crash structure as claimed in claim 1, further comprising a first screw, a first mounting hole being formed at one side of the under cowl panel, the first screw extending into the first mounting hole, the under cowl panel being fixed to the sub frame by the first screw.

3. The crash structure as claimed in claim 2, wherein the crash structure further comprises a second screw, a second mounting hole is formed at the other side of the front under cover, the second screw protrudes into the second mounting hole, and the front under cover is fixed to the bottom of the power battery by the second screw.

4. A crash structure as set forth in claim 3, wherein said crash structure further comprises a third screw, a third mounting hole is formed in said under cowl, said third screw is inserted into said third mounting hole, and said under cowl is fixed to a bottom of said bracket by said third screw.

5. An impact-prevention structure as claimed in claim 4, wherein the bracket is in an inverted V shape, two third mounting holes are formed in the under cowl panel, the bottom of the bracket and the two third mounting holes are vertically matched, two third screws respectively extend into the third mounting holes, and the under cowl panel is fixed to the bottom of the bracket by the third screws.

6. A crash structure as set forth in claim 5 wherein said top portion of said bracket is welded to said subframe.

7. The impact structure of claim 6, wherein the third mounting hole is disposed between the first mounting hole and the second mounting hole.

8. The crash structure as recited in claim 4, wherein said third mounting hole is formed to be downwardly convex.

9. The anti-collision structure according to claim 8, wherein the third mounting hole is located at a distance of 5 to 20mm from the lower surface of the power battery.